نتایج جستجو برای: brain tumor

تعداد نتایج: 871781  

Journal: :International Journal of Advanced Medical Sciences and Technology (IJAMST) 2021

In the medical era Brain tumor is one of most important research areas in field sciences. Researcher are trying to find reliable and cost effective equipment’s for cancer its type diagnosed, especially has deferent kinds but major two discussed this paper. Which benign Pre-Malignant, work proposed these factors such as accuracy MRI image identification actual placing were taken into considerati...

Journal: :International journal of advanced research 2022

A group of aberrant brain cells is known as a tumor. Brain tumors can be either malignant or benign. Whereas benign not cancerous, is. Both are extremely dangerous because they spread quickly and affect many areas the brain. About 166,039 people in US had other cancers central nervous system 2015.Even afterseveral researches,the cause braintumorisunknown. We aimed to detect tumor through image ...

Journal: :Neuro-oncology 2022

Abstract Angiopoietin-1 (Angpt1) is a secreted protein that can promote angiogenesis and vascular stability in development certain disease states through activation of the Tie2 receptor. However, little known about its expression or function across brain tumor types. Surveying pediatric adult tumors we show Angpt1 upregulated glial tumors, including high-grade gliomas ependymomas, patterns corr...

Amit Agrawal, Arvind Bhake Nisha c Nisha Meshram

  Ancient schwannomas rarely found in the central nervous system and ancient change in an intracranial schwannoma (intracranial portion of the trigeminal nerve) is extremely rare. A seventy-year man presented with headache of 3 months duration and one episode of generalized tonic-clonic seizures. Imaging findings were suggestive of left temporal high grade lesion. During surgery there was well...

Abdoulreza Shojaei Ahmad Bitarafan-Rajabi, Fereydoun Rastgou, Hadi Malek Hasan Firoozabadi Mahsa Kargar, Masoud Mehrazin, Nahid Yaghoobi Reza Mirfallah,

Introduction: Meningioma is usually a benign brain tumor, but sometimes with aggressive course. The aim of this study was to assess the ability of 201Tl Brain SPECT to differentiate the pathologic grade of meningioma preoperatively. Methods: Thirty lesions in 28 patients were evaluated in this study. Early (20 minutes) and late (3 hours) brain SPECT images were performed and early u...

Journal: :International journal of engineering technology and management sciences 2023

A Brain tumor is a growth of cells in the brain or near it. tumors can happen tissue close by locations include nerves, pituitary gland, central nervous system , meninges and membranes that cover surface brain[1]. glioma forms spinal cord makes an appearance from glial stem progenitor cells. Glial are type cell generally present system. Gliomas predominantly occur and, rarely, cord. They grow a...

Journal: :Applied Artificial Intelligence 2022

Brain tumors are deadly but become deadliest because of delayed and inefficient diagnosis process. Large variations in tumor types also instigate additional complexity. Machine vision brain addresses the problem. This research’s objective was to develop a classification model based on machine techniques using Magnetic Resonance Imaging (MRI). For this purpose, novel hybrid-brain-tumor-classific...

Journal: :Cancers 2023

Cystic formation in human primary brain tumors is a relatively rare event whose incidence varies widely according to the histotype of tumor. Composition cystic fluid has mostly been characterized samples collected at time tumor resection and no indications evolution content are available. We proteome using bottom-up proteomic approach on sequential obtained from secretory meningioma (SM), schwa...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2014
Kimberly J Johnson Jennifer Cullen Jill S Barnholtz-Sloan Quinn T Ostrom Chelsea E Langer Michelle C Turner Roberta McKean-Cowdin James L Fisher Philip J Lupo Sonia Partap Judith A Schwartzbaum Michael E Scheurer

Childhood brain tumors are the most common pediatric solid tumor and include several histologic subtypes. Although progress has been made in improving survival rates for some subtypes, understanding of risk factors for childhood brain tumors remains limited to a few genetic syndromes and ionizing radiation to the head and neck. In this report, we review descriptive and analytical epidemiology c...

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